HPLC Guard Columns and Cartridges

Replaceable columns that are placed before HPLC columns to protect from contamination and extend column lifetime; in a variety of stationary phases; includes direct-connection and drop-in cartridges, and UHPLC filters, cartridges, and holders.

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46 – 60 of 3,307 results

MilliporeSigma™ Supelco™ Ascentis™ Express RP-Amide Guard Cartridge, 2.7 μm Particle Size

Ascentis™ Express Guard Columns provide physical (filtration) and chemical protection for costly analytical columns without compromising the very high performance of Ascentis™ Express columns.

Pricing & Availability
Specifications

Pore Size	90 Å
Particle Size	2.7 μm
Type	Fused-Core HPLC Guard Cartridge
Phase	Reversed Phase
Length (Metric)	5 mm
Quantity	3/Pk.
For Use With (Application)	HPLC
Product Line	Ascentis

MilliporeSigma™ Supelco™ Astec™ CHIROBIOTIC™ T Chiral HPLC Guard Column Cartridge, 5 μm Particle Size

CHIROBIOTIC™ T columns utilize teicoplanin as a chiral selector.

Pricing & Availability

MilliporeSigma™ Chromolith™ Guard Cartridge Holder

Chromolith™ guard cartridge holder with 10mmL x 4.6mmID

Pricing & Availability
Specifications

Column Type	Chromolith™ HPLC guard cartridge holder
Diameter (Metric) Inner	4.6 mm

MilliporeSigma™ Supelco™ Ascentis™ Si Supelguard™ Guard Cartridge, 5 μm Particle Size

Pricing & Availability

TSKgel™ GMH_HR-H(S) HT Guard Column, 30 μm Particle Size, Sold by MilliporeSigma™ Supelco™

Guard Column for use with 7.8 mm ID TSKgel GMH_HR-H(S) HT Columns. TSKgel™ HT (High Temperature) Columns are for the analysis of organic-soluble polymers at temperatures up to 140°C.

Pricing & Availability

TSKgel™ SuperAW Guard Column, 7 μm Particle Size, Sold by MilliporeSigma™ Supelco™

TSKgel Guard Columns are stand-alone and do not require separate holders. For use with TSKgel SuperAW2500-4000 Columns.

Pricing & Availability

MilliporeSigma™ Supelco™ Astec™ CHIROBIOTIC™ V Chiral HPLC Guard Column Cartridge, 5 μm Particle Size

Neutral molecules, amides, acids, esters and amines show considerable enantioselectivity on these vancomycin-based CSPs.

Pricing & Availability

MilliporeSigma™ Supelco™ SUPELCOSIL™ ABZ+Plus Supelguard Cartridge, 5 μm Particle Size

Offer both high deactivation and unique selectivity.

Pricing & Availability
Specifications

Pore Size	120 Å
Particle Size	5 μm
Type	Guard Cartridge
Phase	Reversed Phase
Length (Metric)	2 cm
Quantity	2/Pk.
For Use With (Application)	HPLC
Product Line	SUPELCOSIL Supelguard

MilliporeSigma™ Supelco™ Discovery™ BIO Wide Pore C5 Supelguard™ Cartridge, 5 μm Particle Size

Kits include one cartridge, a stand-alone holder, a piece of tubing, and 2 nuts and ferrules. Guard cartridges require holders that are sold separately. The 2.1 and 4 mm I.D. cartridges use 21150AST or 59660-U (both stand-alone) or 504254 or 55205 (both integral). The 10 mm I.D. cartridges use 567499-U. The 21.2 mm I.D. cartridges use 581392-U.

Pricing & Availability

TSKgel™ NH2-100 Guard Cartridge, Sold by MilliporeSigma™ Supelco™

For TSKgel NH2-100 columns

Pricing & Availability
Specifications

Pore Size	100 Å
Particle Size	3 μm
Stationary Phase	Amino phase, amine
Matrix	Silica particle platform
For Use With (Equipment)	HPLC: Suitable, L8 Per USP
pH	2 - 7.5
Quantity	3/Pk.
Temperature (Metric) Maximum	10°C to 50°C
Surface Area	450 m²/g